Taillight for a vehicle



FIG. 1 is a perspective front view of the taillight for a vehicle of the present invention;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

Features shown in broken lines do not form part of the claimed design. 

CLAIM The ornamental design for a taillight for a vehicle, as shown and described. 